無土器時代

むどきじだい

noun

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preceramic period(obscure)

無	nothingness, none, ain't, nothing, nil, not
土	soil, earth, ground, Turkey
器	utensil, vessel, receptacle, implement, instrument, ability, container, tool, set
時	time, hour
代	substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee